Calling all little ghosts and goblins! Enjoy safe trick-or-treating all day with the animals at the Zoo. Boo at the Zoo is included with regular Zoo admission.  Plus, enjoy these fun activities: Cool new "Knock-Knock" doors...open them if you dare! Straw bale maze for little ghosts and ghouls. Make spooky crafts to decorate your haunted house. Trick-or-treat through the Zoo using our treat finder map. Find and meet our special creepy, crawly animal ambassadors. Create your own edible snactivity. Decorate your own pumpkin."